--- drivers/md/raid0.c

+++ drivers/md/raid0.c

@@ -176,14 +176,15 @@ static int create_strip_zones(mddev_t *m

disk_stack_limits(mddev->gendisk, rdev1->bdev,

rdev1->data_offset << 9);

/* as we don't honour merge_bvec_fn, we must never risk

- * violating it, so limit ->max_sector to one PAGE, as

- * a one page request is never in violation.

+ * violating it, so limit ->max_phys_segments to 1, lying within

+ * a single page.

*/

- if (rdev1->bdev->bd_disk->queue->merge_bvec_fn &&

- queue_max_sectors(mddev->queue) > (PAGE_SIZE>>9))

- blk_queue_max_sectors(mddev->queue, PAGE_SIZE>>9);

-

+ if (rdev1->bdev->bd_disk->queue->merge_bvec_fn) {

+ blk_queue_max_phys_segments(mddev->queue, 1);

+ blk_queue_segment_boundary(mddev->queue,

+ PAGE_CACHE_SIZE - 1);

+ }

if (!smallest || (rdev1->sectors < smallest->sectors))

smallest = rdev1;

cnt++;